X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1


Tool steel for hot work X40CrMoV5-1, 1.2343, 1.2344, X37CrMoV5-1, UNS T20813, Z40CDV5 , AISI H11, AISI H13, SAE H13 in acc. to ASTM A681, FED QQ-T-570, SAE J437, SAE J438, SAE J467, AMS 6408, ISO 4957.

X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1 - Introduction and Application

Alloy tool steel H13  for hot working for moulds for die casting of aluminium alloys, magnet, zinc, pressing pipes, copper alloy bars and light metals under pressure, Mo and V act as strengthening agents while the chromium content helps the AISI H-13 tool steel to withstand softening when used at high temperatures.It is characterized by very high hardenability, resistance to tempering, possibility of working at high temperatures and low susceptibility to forming a surface crack net.Disadvantages of the grade are low sensitivity to rapid temperature fluctuations during operation, low impact and shock resistance. Before use the tools must be warmed to a minimum temperature of 200 C, but must not exceed the tempering temperature.It is used for the production of hot working knives, die inserts for presses and forging machines, screws, dies, moulds for plastics, stamps, mandrels, punches, copper rolling mills.The steel is also available after ESR electroslag melting, which guarantees high purity - recommended for moulds for casting non-ferrous metal alloys under pressure, and ESF which guarantees fine-grainability, It also combines shock and abrasion resistance, has good red hardness,  can resist rapid cooling and withstand premature heat checking. The H13 tool steel has good machinability, good weldability and good ductility and it can be formed by conventional means.   H13 steel applications is very range in hot forged mold, hot work tool.


Melted process

EAF+LF+VD

EAF+LF+VD+ESR


X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1 - Chemical composition WT %

GradeChemical composition WT %
CMnSiPSCrMoV
X37CrMoV5-1, 1.23430.33-0.410.25-0.500.8-1.20Max 0.03Max 0.024.80-5.501.10-1.500.30-0.50
AISI H11, UNS T208110.33-0.430.20-0.600.80-1.25Max 0.03Max 0.034.75-5.501.10-1.600.30-0.60
1.2344, X40CrMoV5-10.35-0.420.25-0.500.8-1.20Max 0.03Max 0.024.80-5.501.20-1.500.85-1.15
AISI H13, UNS T208130.32-0.450.20-0.600.8-1.20Max 0.03Max 0.034.75-5.501.10-1.750.80-1.20
Z40CDV5, X40CrMoV5-10.36-0.440.20-0.50
0.8-1.20Max 0.025Max 0.0254.80-5.501.20-1.500.85-1.15

Mechanical Property of X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1

  • Annealed hardness: Max 229 HB
  • Hardness in tempered condition:  Min 48 HRC
  • Hardness after hardening: 57.3 - 57.5 HRC
  • Hardness after tempering in the following temperatures: 
    • 300oC = HRC 54.4 - 54.5
    • 350oC= HRC 54.9
    • 400oC = HRC 55.4-55.6
    • 450oC = HRC 55.9-56.2
    • 500oC= HRC 56.3
    • 550oC= HRC 53.2
    • 600oC = HRC 47.5 - 47.7

Physical Property of X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1

H13 tool steels are preheated to 816°C (1500°F). Then the steels are directly heated by increasing the temperature to 1010°C (1850°F) followed by holding for 15 to 40 mins. The steels are then air-quenched.

  • Linear expansion coefficient: 12,7 * 10-1
  • Thermal conductivity: 38 W * m-1
  • Density (@20°C/68°F): 7.80 g/cm3 / 0.282 lb/in3
  • Melting point: 1427°C / 2600°F

Heat Treatment of X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1

  • Annealing Temperature of 800 - 840oC
  • Hardening T emperature of 980 - 1050oC
  • Tempering Temperature of 450 - 550oC
  • Relaxing annealing in the range of 470 - 550oC
  • Nitriding at a temperature of 470 - 550oC

Welding of X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1

H13 tool steels are readily weldable.


Machining of X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1

The machinability rate of H13 tool steels is nearly 75% of that of the W group tool steels.


Equivalent grades of X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1

DIN 1.2344, DIN X40CrMoV5-1, AFNOR Z40CDV5, AFNOR X40CrMoV5-1, BS BH13, BS X40CrMoV5-1, UNI X40CrMoV511KU, SS 2242, UNE X40CrMoV5, SAE H13, JIS SKD61, EN X40CrMoV5-1, EN X40CrMoV511, EN 1.2344, ISO X40CrMoV5-1, GOST 4Ch5MF1S, GB 4Cr5MoSiV1, GB/T SM4Cr5MoSiV1, GB/T T22052, GB/T 4Cr5MoSiV1, GB/T T20502, GB/T 4c5MoSiV1, UNS T20813


X40CrMoV5-1, 1.2344, SAE H13, UNS T20813, Z40CDV5, X40CrMoV5-1 Tool steel for hot work stock list

Grade Shape Dimensionmm Qty.kg
1.2344, H13 Round Bar Φ80
1.2344, H13 Round Bar Φ110
1.2344, H13 Flat Bar 190 x 810 x 3200
1.2344, H13 Flat Bar 235 x 860 x 1115
1.2344, H13 Flat Bar 72 x 440 x 3810